121102112 has 12 divisors (see below), whose sum is σ = 238419846. Its totient is φ = 60551040.

The previous prime is 121102049. The next prime is 121102129. The reversal of 121102112 is 211201121.

It can be written as a sum of positive squares in only one way, i.e., 120912016 + 190096 = 10996^2 + 436^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121102093 and 121102102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1892189 + ... + 1892252.

Almost surely, 2^121102112 is an apocalyptic number.

It is an amenable number.

121102112 is a deficient number, since it is larger than the sum of its proper divisors (117317734).

121102112 is an equidigital number, since it uses as much as digits as its factorization.

121102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784451 (or 3784443 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 121102112 is about 11004.6404757266. The cubic root of 121102112 is about 494.7478387809.

Adding to 121102112 its reverse (211201121), we get a palindrome (332303233).

Subtracting 121102112 from its reverse (211201121), we obtain a palindrome (90099009).

The spelling of 121102112 in words is "one hundred twenty-one million, one hundred two thousand, one hundred twelve".